The article mentions 'responsible' grammarly usage, which I think is an oxymoron in an undergraduate or high school setting. Undergrad and high school is where you learn to write coherently. Grammarly is a tool that actively works against that goal because it doesn't train students to fix the grammatical mistakes, it just fixes it for them and they become steadily worse (and less detail oriented) writers.
I have absolutely no problem using it in a more advanced field where the basics are already done and the focus is on research, for example, but at lower levels I'd likely consider it dishonest.
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